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FS650E Low voltage

oro

Joined Jan 2013
13 Posts | 0+
Hey guys im brand new too bergs only got my 05 650 a week ago and i love it! but.. the brake/tail lights and headlamp have been giving me dramas, they seem to be really dim. so i got the multimetre onto it and im only getting about 3.5v at the brake lights but 12v off the battery? the earth seems to be ok too.. the funny thing is the brake and head light dont work with the bike off but my flashers do? anyone else had this drama??

Thanks guys
 
Hi mate, the lights dont work straight off the battery like a conventional bike with a battery, guess they work off the stator. Not sure about indicators as i dont have any - they must be wired to a permanant 12volt off the battery.

Thats all the help i can give really, not totally sure about the electrickery in these bikes regarding the 3 volt thing.

Somebody wiser shall be along shortly...
 
ok thanks mate! do you know what globes your running? if they are 12v ones? just wonding if the whole system is meant to be 6v or somthing...

Thanks
 
hmmm okay thanks but even still i should be getting more the 3v's to the lights!
 
Id be thinkin you should be gettin 12v, theres some really good leccy guys on here.
Give em some time an they'll answer ya question better than me
 
Can anyone please shed some light on this???? i took a reading straight off the stator (yellow wire/charging circuit) of 3.5v so i put it down to the stator... iv now replaced the stator and still have the same result... not impressed at all. any help would be appreciated!
 
Have you had a look in 'the doc'? Its on the left of the screen somewhere.

Ive got it printed but its got the 04. Anyway, theres different results for each grnerator wire tested and with different units connected. Some readings are 6 volts, some 4 volts, some 35 volts an some 210!!!

What you getting at the battery with engine running?

Its worth lookin in the doc though, i dont understand this testin lark
 
Whats the doc mate? Im getting 12.9v on the battery while running which seems right I think its meant to be around 13v +/- 0.5v
 
Yeah, thats about right for the battery.

The owners doc, look at top right hand side of home screen.

Thought somebody mighta responded by now. They might still have chrimbo hangovers :roll:
 
Also, if you go to www.ccmmad.co.uk you can download the 04 manual in pdf format. Have a look around, its in downloads section somewhere.

Not sure if its on here.

I know its ghe 04 one but it should be the same
 
sounds like a strange problem, have you checked all the connectors/wiring on the ignition switch and around headlight for being loose/corroded/broken/etc? i would double check the ground circuits too..are you sure the headlights are supposed to come on when the bike is off like twisted nuts said the signals could have been an add on and wired seperatly? what model 650 is this? fe? are you still getting 3.5 volts off the new stator? really would have thought it should have been higher too? yours bikes totally different then mine so i am sorry i couldnt be of more help
 
i am now getting 7.5v ac off the stator... na my headlamp only works when the bike it running. ye iv checked all the connectors on the whole bike cant find anything.. does anyone know if the reducer/rectifier is only for charging the battery? because it looks like all the lights are ac on this bike. its a fs650e 04
 
can the rectifier/regulator alter the vac that comes straight out of the stator? like i mean taking the reading straight off the stator

Thanks
 
Hi just been trying to get a 2003 motor into a 2004 frame with a conversion of the eletrics so heres what I know.

The stator on a 2004 and later (I hope) models has DC output and an AC output.

The DC output is the red and yellow wires found in many spots on the bike and the earth is usually the brown wires and the brown wires are earthed to the frame on the coil mounts under the tank. The red and yellow wires are connected directly to the poitive on the batery so at any point compared to the earth you'll receive whatever volts the battery is at at the time. The blinkers are connected directly to this system (so is the horn) so these will always run off whatever power the battery has at any time.

The Stator also has AC output and this is used to run the headlights and tailghts. The AC from the stator hooks into the twin yellow wire (flat blade connector) in the master harness close to the carby and the single white wire very close by. So lights no worky when engine is not running!

As for what this should read and how to read it I am not certain but it might be a simple problem that the headlight globe is drawing too much current. To check pull the headlight globe and run the bike and look at the tail light globe it should be considerably brighter. As the stator can only produce so many watts it may be the case that you need to drop in wattage to make the headlight work acceptably.

I hope thats helped

Regards,

Anthony
 
Ive had a bit of an idea oro. Is it possible to follow the loom back and check the output at a different section. Maybe knackered wires somewhere
 
thanks for the replys na my bulb is only a 35w in the headlamp so i dont think i can go much lower... ye iv tried pretty much all that. iv just replaced the regulator/rectifier and now i have around 10.5-11v at the head lamp so im pretty happy with that... i dont under stand how that regulator can change the vac coming straight from the stator, i mean i was testing the power right on the stator cover
 

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